Head to head
1
Hard
0
Alex O'Brien's wins on the left · Johan Kriek's on the right · bar lengths share one scale
All meetings (1)
| 1991 | New Haven | Hard | R64 | Alex O'Brien | 7-5 6-2 |
Methodology
Head-to-head totals and surface splits exclude walkovers (no match was played), which follows ATP convention — walkover meetings still appear in the match list. The momentum chart plots the running lead across all counted meetings, oldest to newest.